<?php
    /**  Require DomPDF library */
    $pdfRendererClassFile = PHPExcel_Settings::getPdfRendererPath() . '/dompdf_config.inc.php';
    if (file_exists($pdfRendererClassFile)) {
        require_once $pdfRendererClassFile;
    } else {
        throw new PHPExcel_Writer_Exception('Unable to load PDF Rendering library');
    }

    /**
     *  PHPExcel_Writer_PDF_DomPDF
     *  Copyright (c) 2006 - 2015 PHPExcel
     *  This library is free software; you can redistribute it and/or
     *  modify it under the terms of the GNU Lesser General Public
     *  License as published by the Free Software Foundation; either
     *  version 2.1 of the License, or (at your option) any later version.
     *  This library is distributed in the hope that it will be useful,
     *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     *  Lesser General Public License for more details.
     *  You should have received a copy of the GNU Lesser General Public
     *  License along with this library; if not, write to the Free Software
     *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     * @category    PHPExcel
     * @package     PHPExcel_Writer_PDF
     * @copyright   Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
     * @license     http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
     * @version     ##VERSION##, ##DATE##
     */
    class PHPExcel_Writer_PDF_DomPDF extends PHPExcel_Writer_PDF_Core implements PHPExcel_Writer_IWriter {
        /**
         *  Create a new PHPExcel_Writer_PDF
         * @param   PHPExcel $phpExcel PHPExcel object
         */
        public function __construct(PHPExcel $phpExcel) {
            parent::__construct($phpExcel);
        }

        /**
         *  Save PHPExcel to file
         * @param   string $pFilename Name of the file to save as
         * @throws  PHPExcel_Writer_Exception
         */
        public function save($pFilename = null) {
            $fileHandle = parent::prepareForSave($pFilename);
            //  Default PDF paper size
            $paperSize = 'LETTER';    //    Letter    (8.5 in. by 11 in.)
            //  Check for paper size and page orientation
            if (is_null($this->getSheetIndex())) {
                $orientation    = ($this->phpExcel->getSheet(0)->getPageSetup()->getOrientation() == PHPExcel_Worksheet_PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
                $printPaperSize = $this->phpExcel->getSheet(0)->getPageSetup()->getPaperSize();
                $printMargins   = $this->phpExcel->getSheet(0)->getPageMargins();
            } else {
                $orientation    = ($this->phpExcel->getSheet($this->getSheetIndex())->getPageSetup()->getOrientation() == PHPExcel_Worksheet_PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
                $printPaperSize = $this->phpExcel->getSheet($this->getSheetIndex())->getPageSetup()->getPaperSize();
                $printMargins   = $this->phpExcel->getSheet($this->getSheetIndex())->getPageMargins();
            }
            $orientation = ($orientation == 'L') ? 'landscape' : 'portrait';
            //  Override Page Orientation
            if (!is_null($this->getOrientation())) {
                $orientation = ($this->getOrientation() == PHPExcel_Worksheet_PageSetup::ORIENTATION_DEFAULT) ? PHPExcel_Worksheet_PageSetup::ORIENTATION_PORTRAIT : $this->getOrientation();
            }
            //  Override Paper Size
            if (!is_null($this->getPaperSize())) {
                $printPaperSize = $this->getPaperSize();
            }
            if (isset(self::$paperSizes[$printPaperSize])) {
                $paperSize = self::$paperSizes[$printPaperSize];
            }
            //  Create PDF
            $pdf = new DOMPDF();
            $pdf->set_paper(strtolower($paperSize), $orientation);
            $pdf->load_html($this->generateHTMLHeader(false) . $this->generateSheetData() . $this->generateHTMLFooter()
            );
            $pdf->render();
            //  Write to file
            fwrite($fileHandle, $pdf->output());
            parent::restoreStateAfterSave($fileHandle);
        }
    }
